Ok guys I have a couple of places to Metal detect . One place is at a home that was a civil war hospital and the other is where a battle was at called glass mill battle . The first place has a barn on it that was there during this time. I went in there the last time I was there but the ground is so hard in there you couldnt drive a nail in the dirt. It was like concrete. I was thinking about going in one of the horse stalls and taking a pick axe and really digging. The other farm I have spent a lot of time on it but all I find is broken metal pieces that I normally dont know what it is or its just junk and then I find beer cans about 6" deep. I found 10 the last time i was there. So I just wanted to pick you brains to see your methods and techniques . The one farm that had the battle on it is on a creek and they say there is a camp sight near that area but I have not found it yet. The place with the home/hospital on it has been looked over for the past 50 years but only within 5 acres around the home. the farm is 300+ acres that goes all the way up to the Etowah river. And had a train that ran through the property during the civil war.